Software / Server engineer

Belgrade, Serbia

As a Software Engineer within our Server Engineering team you will work collaboratively with the Dev team as well as Mobile Operator’s to help build network stack to support millions of users. You come from a systems or development background (or are comfortable in both areas). You are self-directed and have the ability to track solutions from design through implementation, owning every step along the way. We strive for a deep understanding of the core technologies that are being used while building redundancy and establishing best practices.

Responsibilities

We've developed a platform that integrates with mobile client side library and apps along with mobile network carrier systems. The Server Engineer would be responsible for further developing, securing, and scaling the backend infrastructure to support the platform in order to handle millions of concurrent API calls.

Requirements

  • BA/BS in Computer Science or related technical field or equivalent practical experience
  • 3+ years work experience, including programming experience in Scala, PHP, C++
  • 2-3 years of experience building secure scalable web services
  • Experience with RESTful services
  • Good understanding of network stack and HTTP protocol
  • Experience with concurrency, multithreading, or asynchronous programming
  • Understanding of data modeling in SQL and/or NoSQL environment
  • Experience with AWS, Ansible, Kafka and Spark would be a plus

Mobile Engineer - IOS / Android

Belgrade, Serbia

As a Mobile Engineer, you would build apps for phones running iOS 8.0+, utilizing the latest tools and best practices. You would collaborate with UX designers to create a rich app experience & execute pixel-perfect designs. You would collaborate with backend engineers to ensure a fast & effective experience for our users. You would own release and quality assurance of the app, automated testing infrastructure & app analytics.

Responsibilities

We've developed a platform that integrates with mobile client side library and apps along with mobile network carrier systems. The mobile engineer would be responsible for further developing features and building test infrastructure for the mobile client.

Requirements

  • BA/BS in Computer Science or related technical field or equivalent practical experience
  • 2 years work experience designing and developing mobile applications
  • Experience with network communication
  • Good understanding of network stack and HTTP protocol
  • Experience with concurrency, multithreading, or asynchronous programming
  • Experience with Xcode unit and UI testing

Backend Engineer

Belgrade, Serbia

As a Backend Engineer you will be responsible for managing the interchange of data between the server and the users. Your primary focus will be development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your coworkers into the application. A basic understanding of front-end technologies is therefore necessary as well.

Responsibilities

You will be responsible for the integration of user-facing elements developed by a front-end developers with server side logic. You will need to build reusable code and libraries for future use as well as optimize applications for maximum speed and and scalability. This includes Implementation of security and data protection as well as design and data storage solutions.

Requirements

  • BA/BS in Computer Science or other equivalent technical discipline
  • Knowledge of MVC architectures
  • Experience with network communication
  • Developed with at least one CMS framework or web application framework
  • Ability to perform in a fast-paced, deadline driven environment
  • Understanding of the technologies and languages which power the web such as HTML, CSS and JavaScript
  • Has experience with Git or another version control system

PHP Engineer

Belgrade, Serbia

As a PHP Engineer you would be responsible for managing back-end services and the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

Responsibilities

You would be responsible for integrating user-facing elements developed by front-end developers. You will need to build efficient, testable and reusable PHP modules. You should also solve complex performance problems and architectural challenges. On top of that you will responsible for the integration of data storage solutions which may include databases, key-value stores, blob stores and others.

Requirements

  • BA/BS in Computer Science or other equivalent technical discipline
  • Strong knowledge of PHP web frameworks
  • Understanding of MVC design patterns
  • Knowledge of object oriented PHP programming
  • Strong knowledge of the common PHP or web server exploits and their solutions
  • User authentication and authorization between multiple systems, servers, and environments
  • Familiarity with SQL/NoSQL databases and their declarative query languages
  • Proficient understanding of code versioning tools, such as Git

DevOps Engineer

Belgrade, Serbia

As a Devops Engineer you would work collaboratively with our software engineers to deploy and operate systems, help automate and streamline operations and processes, and troubleshoot issues within multiple environments. The role will encompass the use of a broad range of AWS technologies, operating systems (Linux) and application environments (NGINX, MySQL), with an emphasis on the implementation of best practice cloud security principles.

Responsibilities

You would be responsible for deploying, automating, maintaining, troubleshooting and improving the systems that keep the backend infrastructure running smoothly. On top of that you would do Pre-production Acceptance Testing to help assure the quality of our products/services. You will also evaluate new technology options and vendor products while ensuring critical system security through the use of best in class cloud security solutions.

Requirements

  • BA/BS in Computer Science or other equivalent technical discipline
  • Strong scripting and automation skills
  • Experience with system monitoring tools (eg. Graphite)
  • Ability to analyze and resolve complex infrastructure resource and application deployment issues
  • 2+ years experience with using a broad range of AWS technologies
  • Ability to maintain cloud based solutions with emphasis on cloud security
  • Solid automation experience with configuration management tools

At LotusFlare, we value hard work. But, above all we want to nurture the health, happiness and safety of our employees. While our offices are found in countries around the world, we are location agnostic and treat every person equally. 

      • As a Software Engineer within our Server Engineering team you will work collaboratively with the Dev team as well as Mobile Operator’s to help build network stack to support millions of users. You come from a systems or development background (or are comfortable in both areas). You are self-directed and have the ability to track solutions from design through implementation, owning every step along the way. We strive for a deep understanding of the core technologies that are being used while building redundancy and establishing best practices.

      • We've developed a platform that integrates with mobile client side library and apps along with mobile network carrier systems. The Server Engineer would be responsible for further developing, securing, and scaling the backend infrastructure to support the platform in order to handle millions of concurrent API calls.

      • (1) BA/BS in Computer Science or related technical field or equivalent practical experience
        (2) 3+ years work experience, including programming experience in Scala, PHP, C++
        (3) 2-3 years of experience building secure scalable web services
        (4) Experience with RESTful services
        (5) Good understanding of network stack and HTTP protoco
        (6) Experience with concurrency, multithreading, or asynchronous programming
        (7) Understanding of data modeling in SQL and/or NoSQL environment
        (8) Experience with AWS, Ansible, Kafka and Spark would be a plus

      • As a Mobile Engineer, you would build apps for phones running iOS 2.3+, utilizing the latest tools and best practices. You would collaborate with UX designers to create a rich app experience & execute pixel-perfect designs. You would collaborate with backend engineers to ensure a fast & effective experience for our users. You would own release and quality assurance of the app, automated testing infrastructure & app analytics.

      • We've developed a platform that integrates with mobile client side library and apps along with mobile network carrier systems. The mobile engineer would be responsible for further developing features and building test infrastructure for the mobile client.

      • (1) BA/BS in Computer Science or related technical field or equivalent practical experience
        (2) 3 years work experience designing and developing mobile applications
        (3) Experience with network communication
        (4) Good understanding of network stack and HTTP protocol
        (5) Experience with concurrency, multithreading, or asynchronous programming
        (6) Experience with Robotium, JUnit or other mobile test framework development

      • If you thrive on working with big data in high performance teams then this is the place for you. You would work on data and build some of the tools that are critical to moving & transforming this data into valuable and insightful information. Creating reliable, scalable, and high performance products requires exceptional technical expertise and practical experience working with large-scale distributed systems. Finally, you will tackle challenging issues of scale, reliability and security while delivering a delightful, simple user experience to a global user base.

      • You will manage data warehouse plans for a product or a group of products. You will interface with engineers, product managers and product analysts to understand data needs. In addition, you will design, build and launch new data extraction, transformation and loading processes in production. You will work with data infrastructure to triage infra issues and drive to resolution. Be prepared to build and launch new data models that provide intuitive analytics to your customers as well as design and extremely efficient & reliable data pipelines to move data to our Data Warehouse. You will use your expert coding skills across a number of languages from Python, Scala, Java and PHP and work across multiple teams in high visibility roles.

      • (1) 2+ years of Scala and/or Python development experience is necessary
        (2) 2+ years of SQL (Oracle, Vertica, Hive, etc) experience is required
        (3) 2+ years of experience in custom or structured (ie. Informatica/Talend/Pentaho) ETL design, implementation and maintenance
        (4) 2+ years or experience applying statistical data analysis to real-life problems
        (5) Experience working with either a Map Reduce or a MPP system on any size/scale
        (6) BS or MS degree in Computer Science or a related technical field
        (7) Previous experience with Data Ingestion and IR (informal retrieval) is highly desirable
        (8) Industry experience as a Data Engineer or related speciality

      • You will advocate, evangelize and build data-fuelled products that help our customers improve customer insights. You’ll dig in and become an expert on Mobile Operator datasets. You will provide insight into leading analytic practices, design and lead iterative learning and development cycles, and ultimately produce new and creative analytic solutions that will become part of our core deliverables.

      • You will work with cross-functional team members internally as well as those of partners to identify and prioritize actionable, high-impact insights across a variety of core business areas. You will lead applied analytics initiatives that are leveraged across the breadth of our solutions for Mobile Operators You will research, design, implement and validate cutting-edge algorithms to analyze diverse sources of data to achieve targeted outcomes. As our data scientist, you will provide expertise on mathematical concepts for the broader applied analytics team and inspire the adoption of advanced analytics and data science across the entire breadth of our organization.

      • (1) BA/BS in Computer Science or related technical field or equivalent practical experience
        (2) 3 years work experience, including programming experience in Scala, PHP, C++
        (3) 2-3 years of experience building secure scalable web services
        (4) Experience with RESTful services
        (5) Good understanding of network stack and HTTP protocol
        (6) Experience with concurrency, multithreading, or asynchronous programming
        (7) Understanding of data modeling in SQL and/or NoSQL environment
        (8) Experience with AWS, Ansible, Kafka and Spark would be a plus

      • We are looking for brilliant, worldly, and passionate people to help empower and expand our team. You will play a direct role in making an impact in emerging markets by enabling technology and services that would make mobile internet more affordable. You would help drive user growth on mobile apps by working closely with Apps and Mobile Operators.

      • You will be an analytical thinker, reveling in both tactical and strategic aspects of growing a user base remotely in many different countries simultaneously. You will also think from the user and/or customer's point of view, and seeks to understand the perspectives of various internal and external stakeholders including engineers, design, operations, sales and customers. You will create greater transparency in the world, particularly in developing economies. You will also listen, learn and improve, while eagerly embracing a wide spectrum of responsibilities and projects. You should believe no task is below you if it's important to achieving success. Finally, you will travel to emerging markets to immerse yourself in the experience

      • (1) BA/BS in Engineering/Sciences/Economics/Development/Marketing or equivalent practical experience
        (2) Excellent communication skills
        (3) Dogged work ethic, willingness to travel
        (4) Analytics experience (SQL, python, excel) preferred
        (5) Ease in communicating with technical and non-technical personnel